yeah I've thought it through a lot and I'm hoping that with the space below the pump I won't need the acrylic pieces plus I will put the seafloor special (larger grains under it).  The pumps will be aimed upward. 
		
	
		
		
		
		
			
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				Mark...
  
290g Peninsula Display, 425g total volume.  Setup Jan 2013.
			  
		
		
		
		
	
		
		
	
	
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